Mercurial > hg > toybox
changeset 1350:bb9c601122b8 draft
Promote strings.
author | Rob Landley <rob@landley.net> |
---|---|
date | Wed, 11 Jun 2014 08:11:38 -0500 |
parents | bf2e5591bdf0 |
children | 0f2b9d0b1f7a |
files | toys/pending/strings.c toys/posix/strings.c |
diffstat | 2 files changed, 67 insertions(+), 67 deletions(-) [+] |
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--- a/toys/pending/strings.c Wed Jun 11 08:02:55 2014 -0500 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,67 +0,0 @@ -/*strings.c - print the strings of printable characters in files. - * - * Copyright 2014 Kyung-su Kim <kaspyx@gmail.com> - * Copyright 2014 Kyungwan Han <asura321@gmail.com> - * - * No Standard - * TODO: utf8 strings - * TODO: posix -t - -USE_STRINGS(NEWTOY(strings, "an#=4<1fo", TOYFLAG_USR|TOYFLAG_BIN)) - -config STRINGS - bool "strings" - default n - help - usage: strings [-fo] [-n LEN] [FILE...] - - Display printable strings in a binary file - - -f Precede strings with filenames - -n At least LEN characters form a string (default 4) - -o Precede strings with decimal offsets -*/ - -#define FOR_strings -#include "toys.h" - -GLOBALS( - long num; -) - -void do_strings(int fd, char *filename) -{ - int nread, i, wlen = TT.num, count = 0; - off_t offset = 0; - char *string = xzalloc(wlen + 1); - - for (;;) { - nread = read(fd, toybuf, sizeof(toybuf)); - if (nread < 0) perror_msg("%s", filename); - if (nread < 1) break; - for (i = 0; i < nread; i++, offset++) { - if (((toybuf[i] >= 32) && (toybuf[i] <= 126)) || (toybuf[i] == '\t')) { - if (count == wlen) fputc(toybuf[i], stdout); - else { - string[count++] = toybuf[i]; - if (count == wlen) { - if (toys.optflags & FLAG_f) printf("%s: ", filename); - if (toys.optflags & FLAG_o) - printf("%7lld ",(long long)(offset - wlen)); - printf("%s", string); - } - } - } else { - if (count == wlen) xputc('\n'); - count = 0; - } - } - } - xclose(fd); - free(string); -} - -void strings_main(void) -{ - loopfiles(toys.optargs, do_strings); -}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toys/posix/strings.c Wed Jun 11 08:11:38 2014 -0500 @@ -0,0 +1,67 @@ +/*strings.c - print the strings of printable characters in files. + * + * Copyright 2014 Kyung-su Kim <kaspyx@gmail.com> + * Copyright 2014 Kyungwan Han <asura321@gmail.com> + * + * No Standard + * TODO: utf8 strings + * TODO: posix -t + +USE_STRINGS(NEWTOY(strings, "an#=4<1fo", TOYFLAG_USR|TOYFLAG_BIN)) + +config STRINGS + bool "strings" + default y + help + usage: strings [-fo] [-n LEN] [FILE...] + + Display printable strings in a binary file + + -f Precede strings with filenames + -n At least LEN characters form a string (default 4) + -o Precede strings with decimal offsets +*/ + +#define FOR_strings +#include "toys.h" + +GLOBALS( + long num; +) + +void do_strings(int fd, char *filename) +{ + int nread, i, wlen = TT.num, count = 0; + off_t offset = 0; + char *string = xzalloc(wlen + 1); + + for (;;) { + nread = read(fd, toybuf, sizeof(toybuf)); + if (nread < 0) perror_msg("%s", filename); + if (nread < 1) break; + for (i = 0; i < nread; i++, offset++) { + if (((toybuf[i] >= 32) && (toybuf[i] <= 126)) || (toybuf[i] == '\t')) { + if (count == wlen) fputc(toybuf[i], stdout); + else { + string[count++] = toybuf[i]; + if (count == wlen) { + if (toys.optflags & FLAG_f) printf("%s: ", filename); + if (toys.optflags & FLAG_o) + printf("%7lld ",(long long)(offset - wlen)); + printf("%s", string); + } + } + } else { + if (count == wlen) xputc('\n'); + count = 0; + } + } + } + xclose(fd); + free(string); +} + +void strings_main(void) +{ + loopfiles(toys.optargs, do_strings); +}