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annotate target-utils/lunadrv/backlight.c @ 1011:6d9b10633f10 default tip

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etmsync Pirelli IMEI retrieval: fix poor use of printf() Bug reported by Vadim Yanitskiy <fixeria@osmocom.org>: the construct where a static-allocated string was passed to printf() without any format arguments causes newer compilers to report a security problem. Given that formatted output is not needed here, just fixed string output, change printf() to fputs(), and direct the error message to stderr while at it.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 23 May 2024 17:29:57 +0000
parents db9a8e88e63f
children
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700
db9a8e88e63f target-utils lunadrv program written, compiles
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1 #include <sys/types.h>
db9a8e88e63f target-utils lunadrv program written, compiles
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2 #include <strings.h>
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3 #include "types.h"
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4
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5 #define GPIO_OUT_REG (*(volatile u16 *) 0xfffe4802)
db9a8e88e63f target-utils lunadrv program written, compiles
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6 #define BACKLIGHT_GPIO_MASK 0x0200
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7
db9a8e88e63f target-utils lunadrv program written, compiles
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8 void
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9 cmd_dbl(argbulk)
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10 char *argbulk;
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11 {
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12 char *argv[2];
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13
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14 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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15 return;
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16 if (!strcmp(argv[0], "on"))
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17 GPIO_OUT_REG |= BACKLIGHT_GPIO_MASK;
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18 else if (!strcmp(argv[0], "off"))
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19 GPIO_OUT_REG &= ~BACKLIGHT_GPIO_MASK;
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20 else
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21 printf("ERROR: \"on\" or \"off\" argument expected\n");
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22 }