57c6e7340d
Generically reads an arbitrary file natively. Saves a few layers of execution in comparison to using `run_command` with an argument like `cat ./file`.
33 lines
652 B
C
33 lines
652 B
C
/* See LICENSE file for copyright and license details. */
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#include <stdio.h>
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#include <string.h>
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#include "../slstatus.h"
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#include "../util.h"
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const char *
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cat(const char *path)
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{
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char *f;
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FILE *fp;
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if (!(fp = fopen(path, "r"))) {
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warn("fopen '%s':", path);
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return NULL;
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}
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f = fgets(buf, sizeof(buf) - 1, fp);
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if (fclose(fp) < 0) {
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warn("fclose '%s':", path);
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return NULL;
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}
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if (!f)
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return NULL;
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if ((f = strrchr(buf, '\n')))
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f[0] = '\0';
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return buf[0] ? buf : NULL;
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}
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