mirror of
https://github.com/omar-polo/gmid.git
synced 2024-09-30 06:21:19 +02:00
65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/*
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* Copyright (c) 2021 Omar Polo <op@omarpolo.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <errno.h>
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#include <string.h>
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#include "gmid.h"
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int
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starts_with(const char *str, const char *prefix)
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{
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size_t i;
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if (prefix == NULL)
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return 0;
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for (i = 0; prefix[i] != '\0'; ++i)
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if (str[i] != prefix[i])
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return 0;
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return 1;
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}
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int
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ends_with(const char *str, const char *sufx)
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{
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size_t i, j;
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i = strlen(str);
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j = strlen(sufx);
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if (j > i)
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return 0;
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i -= j;
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for (j = 0; str[i] != '\0'; i++, j++)
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if (str[i] != sufx[j])
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return 0;
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return 1;
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}
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ssize_t
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filesize(int fd)
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{
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ssize_t len;
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if ((len = lseek(fd, 0, SEEK_END)) == -1)
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return -1;
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if (lseek(fd, 0, SEEK_SET) == -1)
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return -1;
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return len;
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}
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