FreeCalypso > hg > fc-sim-tools

annotate calypso/tpinterf.c @ 99:97ba63d9361a

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scripts/fcsim1-sst: turn off STK & OTA services In the initial unprogrammed state of the cards from Grcard, SST has services 25 through 29 set to allocated and activated. However, these cards appear to not actually support OTA, ENVELOPE commands do nothing (just return SW 9000), and they were never observed issuing any proactive SIM commands, even after a feature-generous TERMINAL PROFILE. Therefore, let's list these STK & OTA services as allocated, but not activated in our FCSIM1 SST.
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 05 May 2021 04:26:07 +0000
parents b25d4dfe5798
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4
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1 /*
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2 * This code is based on loadtools/tpinterf.c from FC host tools,
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3 * modified for our different application of interfacing between
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4 * simagent below and fc-simtool above.
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5 */
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6
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7 #include <sys/types.h>
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8 #include <sys/time.h>
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9 #include <sys/errno.h>
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10 #include <stdio.h>
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11 #include <string.h>
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12 #include <strings.h>
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13 #include <stdlib.h>
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14 #include <unistd.h>
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15
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16 extern int errno;
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17
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18 extern int target_fd;
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19
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20 /* definition matches target-utils/libcommon/cmdentry.c */
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21 #define MAXCMD 527
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22
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23 /*
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24 * static buffer between tpinterf_make_cmd and tpinterf_send_cmd
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25 *
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26 * We store the command with an ending \r\n so we can use it for
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27 * matching the received echo as well, hence the sizing of the
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28 * buffer.
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29 */
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30 static char cmdbuf[MAXCMD+2];
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31 static int cmdlen;
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32
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33 static int
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34 arg_chars_valid(arg)
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35 char *arg;
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36 {
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37 char *cp;
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38
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39 for (cp = arg; *cp; cp++)
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40 if (*cp < ' ' || *cp > '~')
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41 return(0);
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42 return(1);
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43 }
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44
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45 /*
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46 * This function takes a command for the target in argv form and
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47 * converts it to a space-separated continuous string which can be
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48 * passed as tty "keyboard" input to the target, enforcing length
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49 * and character validity limits in the process. The output is
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50 * stored in an internal static buffer for subsequent
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51 * tpinterf_send_cmd().
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52 *
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53 * Return value: 0 if everything OK, or -1 if some constraint is
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54 * violated.
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55 */
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56 tpinterf_make_cmd(argv)
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57 char **argv;
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58 {
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59 int arglen;
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60 char **ap, *dp;
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61
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62 dp = cmdbuf;
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63 cmdlen = 0;
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64 for (ap = argv; *ap; ap++) {
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65 arglen = strlen(*ap);
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66 if (ap != argv)
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67 arglen++; /* separating space */
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68 if (arglen > MAXCMD - cmdlen)
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69 return(-1);
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70 if (!arg_chars_valid(*ap))
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71 return(-1);
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72 if (ap != argv)
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73 *dp++ = ' ';
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74 strcpy(dp, *ap);
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75 dp += strlen(*ap);
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76 cmdlen += arglen;
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77 }
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78 *dp++ = '\r';
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79 *dp = '\n';
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80 return(0);
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81 }
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82
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83 /*
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84 * This function sends the previously-constructed command to the target,
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85 * and collects the expected echo.
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86 *
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87 * Return value: 0 if successful, -1 on errors (timeout or wrong response)
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88 */
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89 tpinterf_send_cmd()
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90 {
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91 char echobuf[MAXCMD+2];
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92 fd_set fds;
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93 struct timeval tv;
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94 int rcvd, cc;
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95
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96 write(target_fd, cmdbuf, cmdlen + 1);
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97 for (rcvd = 0; rcvd < cmdlen + 2; ) {
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98 FD_ZERO(&fds);
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99 FD_SET(target_fd, &fds);
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100 tv.tv_sec = 1;
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101 tv.tv_usec = 0;
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102 cc = select(target_fd+1, &fds, NULL, NULL, &tv);
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103 if (cc < 0) {
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104 if (errno == EINTR)
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105 continue;
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106 printf("back end error: failed select\n");
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107 return(-1);
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108 }
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109 if (cc < 1) {
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110 printf(
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111 "back end error: timeout waiting for command echo\n");
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112 return(-1);
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113 }
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114 cc = read(target_fd, echobuf + rcvd, cmdlen + 2 - rcvd);
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115 if (cc <= 0) {
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116 printf(
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117 "back end error: failed read after successful select\n");
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118 return(-1);
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119 }
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120 rcvd += cc;
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121 }
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122 if (bcmp(echobuf, cmdbuf, cmdlen + 2)) {
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123 printf("back end error: command echo mismatch\n");
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124 return(-1);
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125 } else
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126 return(0);
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127 }
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128
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129 /*
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130 * This functions reads the serial output from the target until a
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131 * '=' prompt is received. All intermediate output is passed to
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132 * stdout, with some hacks specific to this SIM interface back end.
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133 */
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134 tpinterf_pass_output(timeout)
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135 {
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136 char buf[1024], *cp;
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137 fd_set fds;
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138 struct timeval tv;
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139 int cc, newline = 1, termflag = 0, finish = 0;
4
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140 unsigned goodchar;
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141
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diff changeset
142 for (goodchar = 0; !finish; ) {
4
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 FD_ZERO(&fds);
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 FD_SET(target_fd, &fds);
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 tv.tv_sec = timeout;
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 tv.tv_usec = 0;
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 cc = select(target_fd+1, &fds, NULL, NULL, &tv);
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 if (cc < 0) {
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 if (errno == EINTR)
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 continue;
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 printf("back end error: failed select\n");
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 return(-1);
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 }
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 if (cc < 1) {
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 printf(
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 "back end error: timeout waiting for simagent response\n");
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 return(-1);
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 }
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 cc = read(target_fd, buf + goodchar, sizeof(buf) - goodchar);
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 if (cc <= 0) {
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 printf(
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 "back end error: failed read after successful select\n");
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 return(-1);
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 }
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 for (cp = buf + goodchar; cc; cp++) {
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 cc--;
7
b25d4dfe5798 fcsim-calypso-be actually works now
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
167 if (*cp == '=' && newline && !cc) {
b25d4dfe5798 fcsim-calypso-be actually works now
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
168 finish = 1;
4
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 break;
7
b25d4dfe5798 fcsim-calypso-be actually works now
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
170 }
4
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 if (*cp == '\n') {
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 newline = 1;
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 termflag = 1;
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 continue;
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 }
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 newline = 0;
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 if (*cp == '\r')
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 termflag = 1;
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 if (!termflag)
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 goodchar++;
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 if (goodchar >= 516)
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 termflag = 1;
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 }
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 }
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 if (!goodchar) {
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 printf("back end error: empty output from simagent\n");
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 return(-1);
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 }
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 buf[goodchar] = '\0';
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 puts(buf);
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 return(0);
deeeef558279 fcsim-calypso-be put together
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 }