#include #include "strbuf.h" #include "quote.h" #include "util.h" /* Help to copy the thing properly quoted for the shell safety. * any single quote is replaced with '\'', any exclamation point * is replaced with '\!', and the whole thing is enclosed in a * * E.g. * original sq_quote result * name ==> name ==> 'name' * a b ==> a b ==> 'a b' * a'b ==> a'\''b ==> 'a'\''b' * a!b ==> a'\!'b ==> 'a'\!'b' */ static inline int need_bs_quote(char c) { return (c == '\'' || c == '!'); } static int sq_quote_buf(struct strbuf *dst, const char *src) { char *to_free = NULL; int ret; if (dst->buf == src) to_free = strbuf_detach(dst, NULL); ret = strbuf_addch(dst, '\''); while (!ret && *src) { size_t len = strcspn(src, "'!"); ret = strbuf_add(dst, src, len); src += len; while (!ret && need_bs_quote(*src)) ret = strbuf_addf(dst, "'\\%c\'", *src++); } if (!ret) ret = strbuf_addch(dst, '\''); free(to_free); return ret; } int sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen) { int i, ret; /* Copy into destination buffer. */ ret = strbuf_grow(dst, 255); for (i = 0; !ret && argv[i]; ++i) { ret = strbuf_addch(dst, ' '); if (ret) break; ret = sq_quote_buf(dst, argv[i]); if (maxlen && dst->len > maxlen) return -ENOSPC; } return ret; } >Tobias Klauser
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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 21:58:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-12 21:58:13 -0800
commite7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba (patch)
treef63906f41699c8e38af9d12b063e2ceab0286ef2 /fs/xfs/libxfs/xfs_rtbitmap.c
parente34bac726d27056081d0250c0e173e4b155aa340 (diff)
parent868c97a846a73e937d835b09b8c885a69df50ec8 (diff)
Merge tag 'docs-4.10' of git://git.lwn.net/linuxHEADmaster
Pull documentation update from Jonathan Corbet: "These are the documentation changes for 4.10. It's another busy cycle for the docs tree, as the sphinx conversion continues. Highlights include: - Further work on PDF output, which remains a bit of a pain but should be more solid now. - Five more DocBook template files converted to Sphinx. Only 27 to go... Lots of plain-text files have also been converted and integrated. - Images in binary formats have been replaced with more source-friendly versions. - Various bits of organizational work, including the renaming of various files discussed at the kernel summit. - New documentation for the device_link mechanism. ... and, of course, lots of typo fixes and small updates" * tag 'docs-4.10' of git://git.lwn.net/linux: (193 commits) dma-buf: Extract dma-buf.rst Update Documentation/00-INDEX docs: 00-INDEX: document directories/files with no docs docs: 00-INDEX: remove non-existing entries docs: 00-INDEX: add missing entries for documentation files/dirs docs: 00-INDEX: consolidate process/ and admin-guide/ description scripts: add a script to check if Documentation/00-INDEX is sane Docs: change sh -> awk in REPORTING-BUGS Documentation/core-api/device_link: Add initial documentation core-api: remove an unexpected unident ppc/idle: Add documentation for powersave=off Doc: Correct typo, "Introdution" => "Introduction" Documentation/atomic_ops.txt: convert to ReST markup Documentation/local_ops.txt: convert to ReST markup Documentation/assoc_array.txt: convert to ReST markup docs-rst: parse-headers.pl: cleanup the documentation docs-rst: fix media cleandocs target docs-rst: media/Makefile: reorganize the rules docs-rst: media: build SVG from graphviz files docs-rst: replace bayer.png by a SVG image ...
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