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concat.c - ubase - suckless linux base utils |
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concat.c (428B) |
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1 /* See LICENSE file for copyright and license details. */ |
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2 #include <stdio.h> |
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3 |
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4 #include "../text.h" |
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5 #include "../util.h" |
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6 |
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7 void |
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8 concat(FILE *fp1, const char *s1, FILE *fp2, const char *s2) |
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9 { |
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10 char buf[BUFSIZ]; |
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11 size_t n; |
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12 |
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13 while ((n = fread(buf, 1, sizeof(buf), fp1)) > 0) { |
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14 if (fwrite(buf, 1, n, fp2) != n) |
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15 eprintf("%s: write error:", s2); |
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16 if (feof(fp1)) |
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17 break; |
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18 } |
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19 if (ferror(fp1)) |
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20 eprintf("%s: read error:", s1); |
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21 } |
