annotate ueda/libueda/util.c @ 142:7bdce91da1a5

unet-excise utility added
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 19 Sep 2020 22:50:24 +0000
parents c91e7a30fab3
children
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1 /*
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2 * Miscellaneous utility functions for libueda
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3 */
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4
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5 #include <ctype.h>
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c91e7a30fab3 ueda/libueda Linuxified
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6 #include <stdlib.h>
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7 #include <string.h>
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8 #include <strings.h>
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9
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10 char *
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11 copystr(src)
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12 register char *src;
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13 {
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14 register char *buf;
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15
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16 buf = malloc(strlen(src) + 1);
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17 if (!buf) {
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18 perror("malloc");
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19 exit(1);
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20 }
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21 strcpy(buf, src);
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22 return(buf);
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23 }
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25 string_is_valid_decnum(str)
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26 char *str;
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27 {
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28 register char *cp = str;
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29
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30 if (*cp == '-')
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31 cp++;
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32 if (!isdigit(*cp))
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33 return(0);
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34 while (isdigit(*cp))
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35 cp++;
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36 return(*cp == '\0');
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37 }