ahp/busybox
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build system: -fno-builtin-printf

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Benefits are: drops reference to out-of-line putchar(), fixes a few cases
of failed string merge.

function                                             old     new   delta
i2cdump_main                                        1488    1502     +14
sha256_process_block64                               423     433     +10
sendmail_main                                       1183    1185      +2
list_table                                          1114    1116      +2
i2cdetect_main                                      1235    1237      +2
fdisk_main                                          2852    2854      +2
builtin_type                                         119     121      +2
unicode_conv_to_printable2                           325     324      -1
scan_recursive                                       380     378      -2
mkfs_minix_main                                     2687    2684      -3
buffer_fill_and_print                                178     169      -9
putchar                                              152       -    -152
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 7/4 up/down: 34/-167)          Total: -133 bytes
   text    data     bss     dec     hex filename
 937788     932   17676  956396   e97ec busybox_old
 937564     932   17676  956172   e970c busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2015-10-07 22:42:45 +02:00
parent 8c0708a329
commit d60752f8c9
24 changed files with 127 additions and 124 deletions
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4
editors/diff.c
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@ -433,7 +433,7 @@ static void fetch(FILE_and_pos_t *ft, const off_t *ix, int a, int b, int ch)
for (j = 0, col = 0; j < ix[i] - ix[i - 1]; j++) {
int c = fgetc(ft->ft_fp);
if (c == EOF) {
printf("\n\\ No newline at end of file\n");
puts("\n\\ No newline at end of file");
return;
}
ft->ft_pos++;
@ -692,7 +692,7 @@ static bool diff(FILE* fp[2], char *file[2])
continue;
printf(",%d", (a < b) ? b - a + 1 : 0);
}
printf(" @@\n");
puts(" @@");
/*
* Output changes in "unified" diff format--the old and new lines
* are printed together.